Safety guard for a heater



FIG. 1 is a front elevational view of a safety guard for a heater,showing my new design;

FIG. 2 is a right side elevational view, the left side being a mirrorimage thereof;

FIG. 3 is a rear elevational view thereof;

FIG. 4 is a bottom view thereof; and

FIG. 5 is a top view thereof.

The ornamental design for a safety guard for a heater, substantially asshown and described.